Atriangle has two sides of lengths 4 and 15. what value could the length of the third side be? check all that apply.

the length of the third side could be 15, 13, 12

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925